18 Utility Patents
#19 in Niihama
#41,024 in Japan
#187,565 in the World
Forward Citations = 101
Company Filing History:
Sumitomo Chemical Company, Limited


4. 1 out of 44
Daiichi Kigenso Kagaku Kogyo Co., Ltd.
5. 1 out of 8
Asahi Chemical Company, Limited
where one patent can have more than one assignee
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